Home / 439,613.35-659,327.75-123,996.45

Finding the Fourth Proportional to 439,613.35, 659,327.75 and 123,996.45

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Solution

The fourth proportional to 439,613.35, 659,327.75 and 123,996.45 is: 185,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,613.35 : 659,327.75 = 123,996.45 : x
  2. Step 2: Convert to fraction form
    439,613.35/659,327.75 = 123,996.45/x
  3. Step 3: Cross multiply
    439,613.35x = 659,327.75 × 123,996.45
  4. Step 4: Simplify right side
    439,613.35x = 81,754,300,386.49
  5. Step 5: Solve for x
    x = 81,754,300,386.49/439,613.35
  6. Step 6: Final answer
    x = 185,968.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.